Passive multiplexer



FIG. 1 is a perspective view of a passive multiplexer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are for purposes of illustrating portions of the passive multiplexer that form no part of the claimed design. 

CLAIM The ornamental design for a passive multiplexer, as shown and described. 